Alexander Woo

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Name	Alexander Woo
Member for	3 years
Seen	18 hours ago
Website
Location	University of Idaho
Age	37

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21

25

votes

8

answers

2k

views

How should one think about pushforward in cohomology?

at.algebraic-topology cohomology

jun 11 11 at 4:30 Dev Sinha 2,470●10●20

6

24

votes

1

answer

827

views

How does one compute invariants of certain Grassmannians inside the regular representation?

gr.group-theory rt.representation-theory finite-groups ag.algebraic-geometry

oct 12 10 at 1:03 Lavender Honey 6,024●30●69

5

17

votes

3

answers

617

views

Obstructions for planar graphs on surfaces of genus g

co.combinatorics graph-theory topological-graph-theory

may 17 11 at 21:58 Paul 554●4●10

7

14

votes

2

answers

552

views

Is the singular locus ideal preserved by all derivations?

ag.algebraic-geometry reference-request

jun 3 at 14:14 travis schedler 456●1●6

6

11

votes

2

answers

765

views

Given a graph embedded on a torus, how many edges are necessary for noncontractible loops to be long?

topological-graph-theory graph-theory co.combinatorics

oct 22 10 at 11:41 Graham 111●4

1

10

votes

2

answers

278

views

Is the ideal of a closure of a Bruhat cell generated by generalized minors?

ag.algebraic-geometry ac.commutative-algebra

oct 6 11 at 8:50 Allen Knutson 12.4k●1●23●64

7

10

votes

2

answers

1k

views

What is the significance that the Springer resolution is a moment map?

geometric-rep-theory flag-varieties sg.symplectic-geometry moment-map

jul 17 at 19:17 David Ben-Zvi 12.6k●1●28●50

5

9

votes

1

answer

346

views

Is the following construction of the 0-Hecke monoid (well) known?

rt.representation-theory gr.group-theory monoids reference-request

nov 10 at 21:18 Patricia Hersh 2,685●1●9●21

18

7

votes

16

answers

3k

views

Textbook recommendations for undergraduate proof-writing class

teaching reference-request soft-question textbook-recommendation books

may 15 12 at 23:22 Steven Heilman 101●4

4

6

votes

0

answers

270

views

Kazhdan-Lusztig graph for the Springer fiber of the minimal special unipotent class?

ag.algebraic-geometry algebraic-groups lie-algebras

apr 11 11 at 12:34 Jim Humphreys 26k●37●82

3

6

votes

1

answer

398

views

Interpreting the Garnir relations in terms of the Yang-Baxter equation

rt.representation-theory symmetric-group young-tableaux

jun 3 11 at 17:43 Bruce Westbury 6,645●2●10●25

4

6

votes

1

answer

580

views

Constructible sheaves and dg-modules

gt.geometric-topology constructible-sheaves dg-algebras at.algebraic-topology homological-algebra

feb 22 at 13:49 algori 16k●1●29●94

3

5

votes

0

answers

201

views

Is it possible to describe the ideals of the Iwahori decomposition in a loop group using generalized minors?

ag.algebraic-geometry rt.representation-theory affine-grassmannian

oct 29 11 at 20:20 Ben Webster♦ 20.7k●1●44●114

2

5

votes

2

answers

299

views

The relation of nilpotent orbits and simple singularities, for orbits smaller than subregular ones

ag.algebraic-geometry rt.representation-theory reference-request

jan 21 12 at 18:43 Victor Ostrik 1,251●1●5●6

6

5

votes

0

answers

240

views

What is known about “singularity types” in the Murphy’s Law sense?

ag.algebraic-geometry schemes singularity-theory reference-request

apr 29 12 at 21:31 Charles Staats 4,059●1●19●45